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2. Fines from sand washing: Sand is washed above the concrete plant and <br />stored in piles ready to use. <br />a. Control measures: <br />I. The fines from this washing are collected Ina pit adjacent to <br />the activity and are removed as required. At no time is <br />continuous driving or road traffic allowed near this area. <br />H. Area is wetted from time to time to keep dust from rising up <br />during windy events. <br />3. Excavation dust creation: Excavation dust is created when material is <br />excavated and moved from the excavation site <br />a. Control measures <br />I. Roads leading to and from the excavation site are wetted <br />dally or as required by the water truck. <br />H. Topsoil Is removed from excavation site before excavation is <br />begun. <br />Iii. Roadways are graded to reduce the emergence of fines. <br />iv. Dumping of loads on site is done inside the quarry and away <br />from neighboring areas. <br />4. Dust from moving loads on vehicles: Dust may be generated from loads <br />being moved. Taranaki and Cattell move mostly covered loads such as <br />concrete but at some times loose aggregate materials are moved onto <br />and off of the site. <br />a. Control <br />1. The loads shall be driven at speeds below 35 miles per hour <br />ii. Dusty loads and dust accumulating on the vehicle will be <br />washed off or wetted if required <br />Iii. Loads shall be covered if fines are moved or large dusty loads <br />are hauled off site. <br />Employee Involvement: All employees are encouraged to reduce dust <br />generation and to significantly assist in control measures. Any Ideas for dust <br />control are solicited from employees at regular training meetings. Employees <br />are trained in control practices on a yearly basis or as initial training. <br />